engines/gig/Voice.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
 *   Copyright (C) 2009 - 2011 Christian Schoenebeck and Grigor Iliev      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "../../common/Features.h"
#include "Synthesizer.h"
#include "Profiler.h"
#include "Engine.h"
#include "EngineChannel.h"

#include "Voice.h"

namespace LinuxSampler { namespace gig {

    Voice::Voice() {
        pEngine = NULL;
        pEG1 = &EG1;
        pEG2 = &EG2;
    }

    Voice::~Voice() {
    }

    EngineChannel* Voice::GetGigEngineChannel() {
        return static_cast<EngineChannel*>(pEngineChannel);
    }

    void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
        Engine* engine = static_cast<Engine*>(pEngine);
        this->pEngine     = engine;
        this->pDiskThread = engine->pDiskThread;
        dmsg(6,("Voice::SetEngine()\n"));
    }

    Voice::SampleInfo Voice::GetSampleInfo() {
        SampleInfo si;
        si.SampleRate       = pSample->SamplesPerSecond;
        si.ChannelCount     = pSample->Channels;
        si.FrameSize        = pSample->FrameSize;
        si.BitDepth         = pSample->BitDepth;
        si.TotalFrameCount  = pSample->SamplesTotal;

        si.HasLoops       = pRegion->SampleLoops;
        si.LoopStart      = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart  : 0;
        si.LoopLength     = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
        si.LoopPlayCount  = pSample->LoopPlayCount;
        si.Unpitched      = !pRegion->PitchTrack;

        return si;
    }

    Voice::RegionInfo Voice::GetRegionInfo() {
        RegionInfo ri;
        ri.UnityNote = pRegion->UnityNote;
        ri.FineTune  = pRegion->FineTune;
        ri.Pan       = pRegion->Pan;
        ri.SampleStartOffset = pRegion->SampleStartOffset;

        ri.EG1PreAttack        = pRegion->EG1PreAttack;
        ri.EG1Attack           = pRegion->EG1Attack;
        ri.EG1Hold             = pRegion->EG1Hold;
        ri.EG1Decay1           = pRegion->EG1Decay1;
        ri.EG1Decay2           = pRegion->EG1Decay2;
        ri.EG1Sustain          = pRegion->EG1Sustain;
        ri.EG1InfiniteSustain  = pRegion->EG1InfiniteSustain;
        ri.EG1Release          = pRegion->EG1Release;

        ri.EG2PreAttack        = pRegion->EG2PreAttack;
        ri.EG2Attack           = pRegion->EG2Attack;
        ri.EG2Decay1           = pRegion->EG2Decay1;
        ri.EG2Decay2           = pRegion->EG2Decay2;
        ri.EG2Sustain          = pRegion->EG2Sustain;
        ri.EG2InfiniteSustain  = pRegion->EG2InfiniteSustain;
        ri.EG2Release          = pRegion->EG2Release;

        ri.EG3Attack     = pRegion->EG3Attack;
        ri.EG3Depth      = pRegion->EG3Depth;
        ri.VCFEnabled    = pRegion->VCFEnabled;
        ri.VCFType       = Filter::vcf_type_t(pRegion->VCFType);
        ri.VCFResonance  = pRegion->VCFResonance;

        ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);

        return ri;
    }

    Voice::InstrumentInfo Voice::GetInstrumentInfo() {
        InstrumentInfo ii;
        ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
        ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;

        return ii;
    }

    double Voice::GetSampleAttenuation() {
        return pRegion->SampleAttenuation;
    }

    double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
        return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
    }

    double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
        return pRegion->GetVelocityRelease(MIDIKeyVelocity);
    }

    void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
        if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
            if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
                itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
                CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
            }
        }
    }

    void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
        int ccvalue = itEvent->Param.CC.Value;
        if (VCFCutoffCtrl.value == ccvalue) return;
        VCFCutoffCtrl.value = ccvalue;
        if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
        if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
        float cutoff = CutoffBase * float(ccvalue);
        if (cutoff > 127.0f) cutoff = 127.0f;

        VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
        fFinalCutoff = cutoff;
    }

    double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
        float crossfadeVolume;
        switch (pRegion->AttenuationController.type) {
            case ::gig::attenuation_ctrl_t::type_channelaftertouch:
                crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
                break;
            case ::gig::attenuation_ctrl_t::type_velocity:
                crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
                break;
            case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
                crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
                break;
            case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
            default:
                crossfadeVolume = 1.0f;
        }

        return crossfadeVolume;
    }

    double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
        double eg1controllervalue = 0;
        switch (pRegion->EG1Controller.type) {
            case ::gig::eg1_ctrl_t::type_none: // no controller defined
                eg1controllervalue = 0;
                break;
            case ::gig::eg1_ctrl_t::type_channelaftertouch:
                eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
                break;
            case ::gig::eg1_ctrl_t::type_velocity:
                eg1controllervalue = MIDIKeyVelocity;
                break;
            case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
                eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
                break;
        }
        if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;

        return eg1controllervalue;
    }

    Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
        EGInfo eg;
        // (eg1attack is different from the others)
        eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
            1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
                                  1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
        eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
        eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;

        return eg;
    }

    double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
        double eg2controllervalue = 0;
        switch (pRegion->EG2Controller.type) {
            case ::gig::eg2_ctrl_t::type_none: // no controller defined
                eg2controllervalue = 0;
                break;
            case ::gig::eg2_ctrl_t::type_channelaftertouch:
                eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
                break;
            case ::gig::eg2_ctrl_t::type_velocity:
                eg2controllervalue = MIDIKeyVelocity;
                break;
            case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
                eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
                break;
        }
        if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;

        return eg2controllervalue;
    }

    Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
        EGInfo eg;
        eg.Attack  = (pRegion->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence)  * eg2ControllerValue : 1.0;
        eg.Decay   = (pRegion->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence)   * eg2ControllerValue : 1.0;
        eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;

        return eg;
    }

    void Voice::InitLFO1() {
        uint16_t lfo1_internal_depth;
        switch (pRegion->LFO1Controller) {
            case ::gig::lfo1_ctrl_internal:
                lfo1_internal_depth  = pRegion->LFO1InternalDepth;
                pLFO1->ExtController = 0; // no external controller
                bLFO1Enabled         = (lfo1_internal_depth > 0);
                break;
            case ::gig::lfo1_ctrl_modwheel:
                lfo1_internal_depth  = 0;
                pLFO1->ExtController = 1; // MIDI controller 1
                bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
                break;
            case ::gig::lfo1_ctrl_breath:
                lfo1_internal_depth  = 0;
                pLFO1->ExtController = 2; // MIDI controller 2
                bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
                break;
            case ::gig::lfo1_ctrl_internal_modwheel:
                lfo1_internal_depth  = pRegion->LFO1InternalDepth;
                pLFO1->ExtController = 1; // MIDI controller 1
                bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
                break;
            case ::gig::lfo1_ctrl_internal_breath:
                lfo1_internal_depth  = pRegion->LFO1InternalDepth;
                pLFO1->ExtController = 2; // MIDI controller 2
                bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
                break;
            default:
                lfo1_internal_depth  = 0;
                pLFO1->ExtController = 0; // no external controller
                bLFO1Enabled         = false;
        }
        if (bLFO1Enabled) {
            pLFO1->trigger(pRegion->LFO1Frequency,
                           start_level_min,
                           lfo1_internal_depth,
                           pRegion->LFO1ControlDepth,
                           pRegion->LFO1FlipPhase,
                           pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
            pLFO1->update(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
        }
    }

    void Voice::InitLFO2() {
        uint16_t lfo2_internal_depth;
        switch (pRegion->LFO2Controller) {
            case ::gig::lfo2_ctrl_internal:
                lfo2_internal_depth  = pRegion->LFO2InternalDepth;
                pLFO2->ExtController = 0; // no external controller
                bLFO2Enabled         = (lfo2_internal_depth > 0);
                break;
            case ::gig::lfo2_ctrl_modwheel:
                lfo2_internal_depth  = 0;
                pLFO2->ExtController = 1; // MIDI controller 1
                bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
                break;
            case ::gig::lfo2_ctrl_foot:
                lfo2_internal_depth  = 0;
                pLFO2->ExtController = 4; // MIDI controller 4
                bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
                break;
            case ::gig::lfo2_ctrl_internal_modwheel:
                lfo2_internal_depth  = pRegion->LFO2InternalDepth;
                pLFO2->ExtController = 1; // MIDI controller 1
                bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
                break;
            case ::gig::lfo2_ctrl_internal_foot:
                lfo2_internal_depth  = pRegion->LFO2InternalDepth;
                pLFO2->ExtController = 4; // MIDI controller 4
                bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
                break;
            default:
                lfo2_internal_depth  = 0;
                pLFO2->ExtController = 0; // no external controller
                bLFO2Enabled         = false;
        }
        if (bLFO2Enabled) {
            pLFO2->trigger(pRegion->LFO2Frequency,
                           start_level_max,
                           lfo2_internal_depth,
                           pRegion->LFO2ControlDepth,
                           pRegion->LFO2FlipPhase,
                           pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
            pLFO2->update(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
        }
    }

    void Voice::InitLFO3() {
        uint16_t lfo3_internal_depth;
        switch (pRegion->LFO3Controller) {
            case ::gig::lfo3_ctrl_internal:
                lfo3_internal_depth  = pRegion->LFO3InternalDepth;
                pLFO3->ExtController = 0; // no external controller
                bLFO3Enabled         = (lfo3_internal_depth > 0);
                break;
            case ::gig::lfo3_ctrl_modwheel:
                lfo3_internal_depth  = 0;
                pLFO3->ExtController = 1; // MIDI controller 1
                bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);
                break;
            case ::gig::lfo3_ctrl_aftertouch:
                lfo3_internal_depth  = 0;
                pLFO3->ExtController = 128;
                bLFO3Enabled         = true;
                break;
            case ::gig::lfo3_ctrl_internal_modwheel:
                lfo3_internal_depth  = pRegion->LFO3InternalDepth;
                pLFO3->ExtController = 1; // MIDI controller 1
                bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
                break;
            case ::gig::lfo3_ctrl_internal_aftertouch:
                lfo3_internal_depth  = pRegion->LFO3InternalDepth;
                pLFO3->ExtController = 128;
                bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
                break;
            default:
                lfo3_internal_depth  = 0;
                pLFO3->ExtController = 0; // no external controller
                bLFO3Enabled         = false;
        }
        if (bLFO3Enabled) {
            pLFO3->trigger(pRegion->LFO3Frequency,
                           start_level_mid,
                           lfo3_internal_depth,
                           pRegion->LFO3ControlDepth,
                           false,
                           pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
            pLFO3->update(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
        }
    }

    float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
        float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
        if (pRegion->VCFKeyboardTracking) {
            cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
        }
        return cutoff;
    }

    float Voice::CalculateFinalCutoff(float cutoffBase) {
        int cvalue;
        if (VCFCutoffCtrl.controller) {
            cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
            if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
            // VCFVelocityScale in this case means Minimum cutoff
            if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
        }
        else {
            cvalue = pRegion->VCFCutoff;
        }
        float fco = cutoffBase * float(cvalue);
        if (fco > 127.0f) fco = 127.0f;

        return fco;
    }

    uint8_t Voice::GetVCFCutoffCtrl() {
        uint8_t ctrl;
        switch (pRegion->VCFCutoffController) {
            case ::gig::vcf_cutoff_ctrl_modwheel:
                ctrl = 1;
                break;
            case ::gig::vcf_cutoff_ctrl_effect1:
                ctrl = 12;
                break;
            case ::gig::vcf_cutoff_ctrl_effect2:
                ctrl = 13;
                break;
            case ::gig::vcf_cutoff_ctrl_breath:
                ctrl = 2;
                break;
            case ::gig::vcf_cutoff_ctrl_foot:
                ctrl = 4;
                break;
            case ::gig::vcf_cutoff_ctrl_sustainpedal:
                ctrl = 64;
                break;
            case ::gig::vcf_cutoff_ctrl_softpedal:
                ctrl = 67;
                break;
            case ::gig::vcf_cutoff_ctrl_genpurpose7:
                ctrl = 82;
                break;
            case ::gig::vcf_cutoff_ctrl_genpurpose8:
                ctrl = 83;
                break;
            case ::gig::vcf_cutoff_ctrl_aftertouch:
                ctrl = 128;
                break;
            case ::gig::vcf_cutoff_ctrl_none:
            default:
                ctrl = 0;
                break;
        }

        return ctrl;
    }

    uint8_t Voice::GetVCFResonanceCtrl() {
        uint8_t ctrl;
        switch (pRegion->VCFResonanceController) {
            case ::gig::vcf_res_ctrl_genpurpose3:
                ctrl = 18;
                break;
            case ::gig::vcf_res_ctrl_genpurpose4:
                ctrl = 19;
                break;
            case ::gig::vcf_res_ctrl_genpurpose5:
                ctrl = 80;
                break;
            case ::gig::vcf_res_ctrl_genpurpose6:
                ctrl = 81;
                break;
            case ::gig::vcf_res_ctrl_none:
            default:
                ctrl = 0;
        }

        return ctrl;
    }

    void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
        EG1.trigger(uint(RgnInfo.EG1PreAttack),
                    RgnInfo.EG1Attack * egInfo.Attack,
                    RgnInfo.EG1Hold,
                    RgnInfo.EG1Decay1 * egInfo.Decay * velrelease,
                    RgnInfo.EG1Decay2 * egInfo.Decay * velrelease,
                    RgnInfo.EG1InfiniteSustain,
                    uint(RgnInfo.EG1Sustain),
                    RgnInfo.EG1Release * egInfo.Release * velrelease,
                    velocityAttenuation,
                    sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
    }

    void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
        EG2.trigger(uint(RgnInfo.EG2PreAttack),
                    RgnInfo.EG2Attack * egInfo.Attack,
                    false,
                    RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
                    RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
                    RgnInfo.EG2InfiniteSustain,
                    uint(RgnInfo.EG2Sustain),
                    RgnInfo.EG2Release * egInfo.Release * velrelease,
                    velocityAttenuation,
                    sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
    }

    void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
        dmsg(4,("Voice %x processGroupEvents event type=%d", this, itEvent->Type));

        // TODO: The SustainPedal condition could be wrong, maybe the
        // check should be if this Voice is in release stage or is a
        // release sample instead. Need to test this in GSt.
        if (itEvent->Param.Note.Key != MIDIKey ||
            !GetGigEngineChannel()->SustainPedal) {
            dmsg(4,("Voice %x - kill", this));

            // kill the voice fast
            pEG1->enterFadeOutStage();
        }
    }

}} // namespace LinuxSampler::gig
1	schoenebeck	53	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	schoenebeck	56	* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	persson	2055	* Copyright (C) 2005 - 2008 Christian Schoenebeck *
7	persson	2175	* Copyright (C) 2009 - 2011 Christian Schoenebeck and Grigor Iliev *
8	schoenebeck	53	* *
9			* This program is free software; you can redistribute it and/or modify *
10			* it under the terms of the GNU General Public License as published by *
11			* the Free Software Foundation; either version 2 of the License, or *
12			* (at your option) any later version. *
13			* *
14			* This program is distributed in the hope that it will be useful, *
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
17			* GNU General Public License for more details. *
18			* *
19			* You should have received a copy of the GNU General Public License *
20			* along with this program; if not, write to the Free Software *
21			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
22			* MA 02111-1307 USA *
23			***************************************************************************/
24
25	schoenebeck	319	#include "../../common/Features.h"
26			#include "Synthesizer.h"
27	schoenebeck	770	#include "Profiler.h"
28	iliev	2012	#include "Engine.h"
29			#include "EngineChannel.h"
30	schoenebeck	53
31			#include "Voice.h"
32
33			namespace LinuxSampler { namespace gig {
34
35			Voice::Voice() {
36	persson	2055	pEngine = NULL;
37			pEG1 = &EG1;
38	persson	2175	pEG2 = &EG2;
39	schoenebeck	53	}
40
41			Voice::~Voice() {
42			}
43
44	iliev	2015	EngineChannel* Voice::GetGigEngineChannel() {
45			return static_cast<EngineChannel*>(pEngineChannel);
46			}
47
48	iliev	2012	void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
49			Engine* engine = static_cast<Engine*>(pEngine);
50			this->pEngine = engine;
51			this->pDiskThread = engine->pDiskThread;
52	schoenebeck	64	dmsg(6,("Voice::SetEngine()\n"));
53	schoenebeck	53	}
54
55	iliev	2015	Voice::SampleInfo Voice::GetSampleInfo() {
56			SampleInfo si;
57			si.SampleRate = pSample->SamplesPerSecond;
58			si.ChannelCount = pSample->Channels;
59			si.FrameSize = pSample->FrameSize;
60			si.BitDepth = pSample->BitDepth;
61			si.TotalFrameCount = pSample->SamplesTotal;
62	schoenebeck	669
63	iliev	2015	si.HasLoops = pRegion->SampleLoops;
64			si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0;
65			si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
66			si.LoopPlayCount = pSample->LoopPlayCount;
67			si.Unpitched = !pRegion->PitchTrack;
68	schoenebeck	53
69	iliev	2015	return si;
70			}
71	schoenebeck	53
72	iliev	2015	Voice::RegionInfo Voice::GetRegionInfo() {
73			RegionInfo ri;
74			ri.UnityNote = pRegion->UnityNote;
75			ri.FineTune = pRegion->FineTune;
76			ri.Pan = pRegion->Pan;
77			ri.SampleStartOffset = pRegion->SampleStartOffset;
78	persson	630
79	iliev	2015	ri.EG1PreAttack = pRegion->EG1PreAttack;
80			ri.EG1Attack = pRegion->EG1Attack;
81			ri.EG1Hold = pRegion->EG1Hold;
82			ri.EG1Decay1 = pRegion->EG1Decay1;
83			ri.EG1Decay2 = pRegion->EG1Decay2;
84			ri.EG1Sustain = pRegion->EG1Sustain;
85			ri.EG1InfiniteSustain = pRegion->EG1InfiniteSustain;
86			ri.EG1Release = pRegion->EG1Release;
87	persson	630
88	iliev	2015	ri.EG2PreAttack = pRegion->EG2PreAttack;
89			ri.EG2Attack = pRegion->EG2Attack;
90			ri.EG2Decay1 = pRegion->EG2Decay1;
91			ri.EG2Decay2 = pRegion->EG2Decay2;
92			ri.EG2Sustain = pRegion->EG2Sustain;
93			ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain;
94			ri.EG2Release = pRegion->EG2Release;
95	persson	630
96	iliev	2015	ri.EG3Attack = pRegion->EG3Attack;
97			ri.EG3Depth = pRegion->EG3Depth;
98			ri.VCFEnabled = pRegion->VCFEnabled;
99	persson	2175	ri.VCFType = Filter::vcf_type_t(pRegion->VCFType);
100	iliev	2015	ri.VCFResonance = pRegion->VCFResonance;
101
102	persson	2061	ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
103	iliev	2015
104			return ri;
105			}
106
107			Voice::InstrumentInfo Voice::GetInstrumentInfo() {
108			InstrumentInfo ii;
109			ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
110			ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;
111
112			return ii;
113			}
114
115			double Voice::GetSampleAttenuation() {
116			return pRegion->SampleAttenuation;
117			}
118
119			double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
120			return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
121			}
122
123			double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
124			return pRegion->GetVelocityRelease(MIDIKeyVelocity);
125			}
126
127			void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
128			if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
129			if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
130			itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
131			CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
132			}
133	persson	630	}
134	iliev	2015	}
135	persson	630
136	iliev	2015	void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
137			int ccvalue = itEvent->Param.CC.Value;
138			if (VCFCutoffCtrl.value == ccvalue) return;
139	persson	2175	VCFCutoffCtrl.value = ccvalue;
140	iliev	2015	if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
141			if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
142			float cutoff = CutoffBase * float(ccvalue);
143			if (cutoff > 127.0f) cutoff = 127.0f;
144	schoenebeck	319
145	iliev	2015	VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
146			fFinalCutoff = cutoff;
147			}
148
149			double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
150	persson	832	float crossfadeVolume;
151	iliev	2015	switch (pRegion->AttenuationController.type) {
152	schoenebeck	236	case ::gig::attenuation_ctrl_t::type_channelaftertouch:
153	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
154	schoenebeck	236	break;
155			case ::gig::attenuation_ctrl_t::type_velocity:
156	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
157	schoenebeck	236	break;
158			case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
159	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
160	schoenebeck	236	break;
161			case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
162			default:
163	persson	832	crossfadeVolume = 1.0f;
164	schoenebeck	236	}
165
166	iliev	2015	return crossfadeVolume;
167			}
168	schoenebeck	245
169	iliev	2015	double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
170			double eg1controllervalue = 0;
171			switch (pRegion->EG1Controller.type) {
172			case ::gig::eg1_ctrl_t::type_none: // no controller defined
173			eg1controllervalue = 0;
174			break;
175			case ::gig::eg1_ctrl_t::type_channelaftertouch:
176			eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
177			break;
178			case ::gig::eg1_ctrl_t::type_velocity:
179			eg1controllervalue = MIDIKeyVelocity;
180			break;
181			case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
182			eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
183			break;
184	schoenebeck	53	}
185	iliev	2015	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
186	schoenebeck	53
187	iliev	2015	return eg1controllervalue;
188			}
189	persson	1700
190	iliev	2015	Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
191			EGInfo eg;
192			// (eg1attack is different from the others)
193			eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
194			1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
195			1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
196			eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
197			eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
198	persson	1700
199	iliev	2015	return eg;
200			}
201	schoenebeck	53
202	iliev	2015	double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
203			double eg2controllervalue = 0;
204			switch (pRegion->EG2Controller.type) {
205			case ::gig::eg2_ctrl_t::type_none: // no controller defined
206			eg2controllervalue = 0;
207			break;
208			case ::gig::eg2_ctrl_t::type_channelaftertouch:
209			eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
210			break;
211			case ::gig::eg2_ctrl_t::type_velocity:
212			eg2controllervalue = MIDIKeyVelocity;
213			break;
214			case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
215			eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
216			break;
217	schoenebeck	53	}
218	iliev	2015	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
219	schoenebeck	53
220	iliev	2015	return eg2controllervalue;
221			}
222	schoenebeck	53
223	iliev	2015	Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
224			EGInfo eg;
225			eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
226			eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
227			eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
228	persson	830
229	iliev	2015	return eg;
230			}
231	schoenebeck	53
232	iliev	2015	void Voice::InitLFO1() {
233			uint16_t lfo1_internal_depth;
234			switch (pRegion->LFO1Controller) {
235			case ::gig::lfo1_ctrl_internal:
236			lfo1_internal_depth = pRegion->LFO1InternalDepth;
237			pLFO1->ExtController = 0; // no external controller
238			bLFO1Enabled = (lfo1_internal_depth > 0);
239			break;
240			case ::gig::lfo1_ctrl_modwheel:
241			lfo1_internal_depth = 0;
242			pLFO1->ExtController = 1; // MIDI controller 1
243			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
244			break;
245			case ::gig::lfo1_ctrl_breath:
246			lfo1_internal_depth = 0;
247			pLFO1->ExtController = 2; // MIDI controller 2
248			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
249			break;
250			case ::gig::lfo1_ctrl_internal_modwheel:
251			lfo1_internal_depth = pRegion->LFO1InternalDepth;
252			pLFO1->ExtController = 1; // MIDI controller 1
253			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
254			break;
255			case ::gig::lfo1_ctrl_internal_breath:
256			lfo1_internal_depth = pRegion->LFO1InternalDepth;
257			pLFO1->ExtController = 2; // MIDI controller 2
258			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
259			break;
260			default:
261			lfo1_internal_depth = 0;
262			pLFO1->ExtController = 0; // no external controller
263			bLFO1Enabled = false;
264	schoenebeck	53	}
265	iliev	2015	if (bLFO1Enabled) {
266			pLFO1->trigger(pRegion->LFO1Frequency,
267			start_level_min,
268			lfo1_internal_depth,
269			pRegion->LFO1ControlDepth,
270			pRegion->LFO1FlipPhase,
271			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
272			pLFO1->update(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
273	schoenebeck	53	}
274	iliev	2015	}
275	schoenebeck	53
276	iliev	2015	void Voice::InitLFO2() {
277			uint16_t lfo2_internal_depth;
278			switch (pRegion->LFO2Controller) {
279			case ::gig::lfo2_ctrl_internal:
280			lfo2_internal_depth = pRegion->LFO2InternalDepth;
281			pLFO2->ExtController = 0; // no external controller
282			bLFO2Enabled = (lfo2_internal_depth > 0);
283			break;
284			case ::gig::lfo2_ctrl_modwheel:
285			lfo2_internal_depth = 0;
286			pLFO2->ExtController = 1; // MIDI controller 1
287			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
288			break;
289			case ::gig::lfo2_ctrl_foot:
290			lfo2_internal_depth = 0;
291			pLFO2->ExtController = 4; // MIDI controller 4
292			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
293			break;
294			case ::gig::lfo2_ctrl_internal_modwheel:
295			lfo2_internal_depth = pRegion->LFO2InternalDepth;
296			pLFO2->ExtController = 1; // MIDI controller 1
297			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
298			break;
299			case ::gig::lfo2_ctrl_internal_foot:
300			lfo2_internal_depth = pRegion->LFO2InternalDepth;
301			pLFO2->ExtController = 4; // MIDI controller 4
302			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
303			break;
304			default:
305			lfo2_internal_depth = 0;
306			pLFO2->ExtController = 0; // no external controller
307			bLFO2Enabled = false;
308	schoenebeck	53	}
309	iliev	2015	if (bLFO2Enabled) {
310			pLFO2->trigger(pRegion->LFO2Frequency,
311			start_level_max,
312			lfo2_internal_depth,
313			pRegion->LFO2ControlDepth,
314			pRegion->LFO2FlipPhase,
315			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
316			pLFO2->update(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
317	schoenebeck	53	}
318			}
319
320	iliev	2015	void Voice::InitLFO3() {
321			uint16_t lfo3_internal_depth;
322			switch (pRegion->LFO3Controller) {
323			case ::gig::lfo3_ctrl_internal:
324			lfo3_internal_depth = pRegion->LFO3InternalDepth;
325			pLFO3->ExtController = 0; // no external controller
326			bLFO3Enabled = (lfo3_internal_depth > 0);
327	schoenebeck	53	break;
328	iliev	2015	case ::gig::lfo3_ctrl_modwheel:
329			lfo3_internal_depth = 0;
330			pLFO3->ExtController = 1; // MIDI controller 1
331			bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
332	schoenebeck	53	break;
333	iliev	2015	case ::gig::lfo3_ctrl_aftertouch:
334			lfo3_internal_depth = 0;
335			pLFO3->ExtController = 128;
336			bLFO3Enabled = true;
337	schoenebeck	53	break;
338	iliev	2015	case ::gig::lfo3_ctrl_internal_modwheel:
339			lfo3_internal_depth = pRegion->LFO3InternalDepth;
340			pLFO3->ExtController = 1; // MIDI controller 1
341			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
342			break;
343			case ::gig::lfo3_ctrl_internal_aftertouch:
344			lfo3_internal_depth = pRegion->LFO3InternalDepth;
345	persson	2175	pLFO3->ExtController = 128;
346	iliev	2015	bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
347			break;
348			default:
349			lfo3_internal_depth = 0;
350			pLFO3->ExtController = 0; // no external controller
351			bLFO3Enabled = false;
352	schoenebeck	53	}
353	iliev	2015	if (bLFO3Enabled) {
354			pLFO3->trigger(pRegion->LFO3Frequency,
355			start_level_mid,
356			lfo3_internal_depth,
357			pRegion->LFO3ControlDepth,
358			false,
359			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
360			pLFO3->update(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
361	schoenebeck	738	}
362			}
363	persson	2055
364	iliev	2015	float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
365			float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
366			if (pRegion->VCFKeyboardTracking) {
367	persson	2175	cutoff = RTMath::CentsToFreqRatioUnlimited((MIDIKey - pRegion->VCFKeyboardTrackingBreakpoint) 100);
368	schoenebeck	53	}
369	iliev	2015	return cutoff;
370	schoenebeck	738	}
371	schoenebeck	53
372	iliev	2015	float Voice::CalculateFinalCutoff(float cutoffBase) {
373			int cvalue;
374			if (VCFCutoffCtrl.controller) {
375			cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
376			if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
377			// VCFVelocityScale in this case means Minimum cutoff
378			if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
379	schoenebeck	53	}
380	iliev	2015	else {
381			cvalue = pRegion->VCFCutoff;
382	persson	1748	}
383	iliev	2015	float fco = cutoffBase * float(cvalue);
384			if (fco > 127.0f) fco = 127.0f;
385	persson	796
386	iliev	2015	return fco;
387			}
388	persson	768
389	iliev	2015	uint8_t Voice::GetVCFCutoffCtrl() {
390			uint8_t ctrl;
391			switch (pRegion->VCFCutoffController) {
392			case ::gig::vcf_cutoff_ctrl_modwheel:
393			ctrl = 1;
394			break;
395			case ::gig::vcf_cutoff_ctrl_effect1:
396			ctrl = 12;
397			break;
398			case ::gig::vcf_cutoff_ctrl_effect2:
399			ctrl = 13;
400			break;
401			case ::gig::vcf_cutoff_ctrl_breath:
402			ctrl = 2;
403			break;
404			case ::gig::vcf_cutoff_ctrl_foot:
405			ctrl = 4;
406			break;
407			case ::gig::vcf_cutoff_ctrl_sustainpedal:
408			ctrl = 64;
409			break;
410			case ::gig::vcf_cutoff_ctrl_softpedal:
411			ctrl = 67;
412			break;
413			case ::gig::vcf_cutoff_ctrl_genpurpose7:
414			ctrl = 82;
415			break;
416			case ::gig::vcf_cutoff_ctrl_genpurpose8:
417			ctrl = 83;
418			break;
419			case ::gig::vcf_cutoff_ctrl_aftertouch:
420			ctrl = 128;
421			break;
422			case ::gig::vcf_cutoff_ctrl_none:
423			default:
424			ctrl = 0;
425			break;
426	schoenebeck	53	}
427
428	iliev	2015	return ctrl;
429	schoenebeck	829	}
430
431	iliev	2015	uint8_t Voice::GetVCFResonanceCtrl() {
432			uint8_t ctrl;
433			switch (pRegion->VCFResonanceController) {
434			case ::gig::vcf_res_ctrl_genpurpose3:
435			ctrl = 18;
436			break;
437			case ::gig::vcf_res_ctrl_genpurpose4:
438			ctrl = 19;
439			break;
440			case ::gig::vcf_res_ctrl_genpurpose5:
441			ctrl = 80;
442			break;
443			case ::gig::vcf_res_ctrl_genpurpose6:
444			ctrl = 81;
445			break;
446			case ::gig::vcf_res_ctrl_none:
447			default:
448			ctrl = 0;
449	schoenebeck	53	}
450
451	iliev	2015	return ctrl;
452	schoenebeck	239	}
453
454	persson	2055	void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
455			EG1.trigger(uint(RgnInfo.EG1PreAttack),
456			RgnInfo.EG1Attack * egInfo.Attack,
457			RgnInfo.EG1Hold,
458			RgnInfo.EG1Decay1 * egInfo.Decay * velrelease,
459			RgnInfo.EG1Decay2 * egInfo.Decay * velrelease,
460			RgnInfo.EG1InfiniteSustain,
461			uint(RgnInfo.EG1Sustain),
462			RgnInfo.EG1Release * egInfo.Release * velrelease,
463			velocityAttenuation,
464			sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
465			}
466	persson	2114
467	persson	2175	void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
468			EG2.trigger(uint(RgnInfo.EG2PreAttack),
469			RgnInfo.EG2Attack * egInfo.Attack,
470			false,
471			RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
472			RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
473			RgnInfo.EG2InfiniteSustain,
474			uint(RgnInfo.EG2Sustain),
475			RgnInfo.EG2Release * egInfo.Release * velrelease,
476			velocityAttenuation,
477			sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
478			}
479
480	persson	2114	void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
481			dmsg(4,("Voice %x processGroupEvents event type=%d", this, itEvent->Type));
482
483			// TODO: The SustainPedal condition could be wrong, maybe the
484			// check should be if this Voice is in release stage or is a
485			// release sample instead. Need to test this in GSt.
486			if (itEvent->Param.Note.Key != MIDIKey \|\|
487			!GetGigEngineChannel()->SustainPedal) {
488			dmsg(4,("Voice %x - kill", this));
489
490			// kill the voice fast
491			pEG1->enterFadeOutStage();
492			}
493			}
494
495	schoenebeck	53	}} // namespace LinuxSampler::gig